[gtk-osx: 8/48] Specify python 3.6.

[John Ralls <jralls src gnome org>]

commit e17073f198c3f7ddf6fcecd91f3689959f29e760
Author: John Ralls <jralls ceridwen us>
Date:   Fri Nov 9 12:36:51 2018 +0900

    Specify python 3.6.
    
    Python 3.7 requires openssl and xz to be built first.

 gtk-osx-setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk-osx-setup.sh b/gtk-osx-setup.sh
index 2f97551..39a32ba 100755
--- a/gtk-osx-setup.sh
+++ b/gtk-osx-setup.sh
@@ -129,7 +129,7 @@ meson = "*"
 jhbuild = "$DEVPREFIX/libexec/run_jhbuild.py"
 
 [requires]
-python_version = "3.7"
+python_version = "3.6"
 EOF
     cat <<EOF > $DEVPREFIX/etc/pipenv-env
 export DEVROOT=$HOME